MAX485 TTL to RS485 Converter Module for Arduino, ESP32, STM32 & Raspberry Pi

TTL to RS485 converter module built around the MAX485, this board lets an Arduino translate standard UART serial signals into robust RS485 differential communication for longer cable runs and better noise immunity. By converting logic-level TX/RX data to the balanced A/B lines used on an RS485 bus, it supports reliable half-duplex links in electrically noisy environments. It is ideal for connecting microcontrollers to industrial sensors, smart meters, motor controllers, and PLC-style devices in automation, robotics, distributed sensor networks, and Modbus-style projects. Use it with Arduino, ESP32, STM32, or Raspberry Pi serial interfaces for multi-device communication, remote monitoring, and wired control system prototyping.